2024 IGCSE Additional Mathematics October/November 0606/23 Q11

2024 IGCSE Additional Mathematics October/November 0606/23 Q11

6 marks
  1. There are 3 girls and 2 boys standing in a straight line. Find the number of possible orders in each of the following cases.
    1. No girls are next to each other.[2]
    2. The 2 boys are not next to each other.[2]
  2. 12 people, including Anjie and Bubay, are divided into 3 groups of 4 people. Anjie and Bubay must not be in the same group.
    Find the number of ways in which the 3 groups can be selected.[2]

Solution:

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Answer:(a)(i) \(12\); (ii) \(72\). (b) \(4200\).

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